Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
NA B220AA-SMK Pizzato Modular prewired switch with short plunger
Pizzato NAB220AA-SMK modular prewired limit switch with 2 NO + 2 NC snap-action contacts, positive opening, short plunger actuator and M12 connector for industrial automation systems.
£24.82
Why Choose the Pizzato NAB220AA-SMK Limit Switch?
The Pizzato NAB220AA-SMK is a heavy-duty modular prewired limit switch, engineered for precise position detection and advanced safety monitoring in industrial automation systems. As part of the robust Pizzato NA series, it delivers reliable switching performance, flexible installation and long operational life in demanding environments.
This model features a 2 NO + 2 NC snap-action contact configuration with positive opening, ensuring safe disconnection and dependable operation in safety-critical circuits. It is equipped with a short plunger actuator and a bottom-entry M12 connector (SMK), allowing fast, secure and vibration-resistant connection in modern control systems.
With its rugged metal housing and high ingress protection, the NAB220AA-SMK is ideal for machine builders and automation engineers requiring multi-contact switching and reliable plug-and-play installation.
Key Advantages
- 2 NO + 2 NC contact configuration for complex control logic.
- Positive opening contacts for enhanced safety compliance.
- M12 connector (SMK) for fast and secure installation.
- Compact design with short plunger actuator.
- IP67 / IP69K protection for harsh industrial environments.
- Heavy-duty metal housing for industrial durability.
Key Features
- Pizzato NA series modular prewired limit switch.
- 2 NO + 2 NC snap-action contacts (B22 configuration).
- Positive opening operation for safety circuits.
- Short plunger actuator for direct actuation.
- M12 connector (bottom entry) for quick connection.
- Metal housing with high resistance to impact and wear.
- IP67 / IP69K rated for dust-tight and washdown environments.
- 20 mm fixing centres for standard mounting.
Plug-and-Play Installation with Multi-Contact Control
The Pizzato NAB220AA-SMK is designed for modern industrial automation where fast installation and reliability are essential. The M12 connector enables quick plug-in wiring, reducing installation time and minimising wiring errors while maintaining a secure electrical interface.
Its 2 NO + 2 NC snap-action contacts allow simultaneous control and monitoring of machine states, making it ideal for safety circuits, interlocks and complex automation systems.
Typical Applications
- Machine guarding and safety interlock systems.
- Industrial conveyors and material handling equipment.
- Packaging and automated production lines.
- Position detection in multi-stage machinery.
- OEM automation systems and control panels.
- Applications requiring fast-connect wiring solutions.
Technical Specifications
Tick the specs you need, then view products that match.
| Device Type | Limit switch | |
|---|---|---|
| Switching Action | Snap action | |
| IP Rating | IP67 | |
| Contacts | 2NO + 2NC | |
| Actuator Type | Plunger | |
| Housing Material | Metal | |
| Positive Opening | Yes | |
| Connection | M12 connector | |
| Series | NA Modular Limit Switch System | |
| Product type | Modular prewired limit switch | |
| Contact configuration | 2 NO + 2 NC | |
| Contact type | Snap-action | |
| Positive opening | Yes | |
| Actuator type | Short plunger | |
| Connection type | M12 connector (bottom entry) | |
| Protection rating | IP67 / IP69K | |
| Housing material | Metal | |
| Mounting | 20 mm fixing centres | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato NAB220AA-SMK used for?
It is used for position detection and safety monitoring in industrial automation systems requiring multiple switching outputs.
What does SMK mean?
SMK refers to a bottom-entry M12 connector, enabling fast and secure plug-in installation.
What contact configuration does this switch have?
It features 2 normally open (NO) and 2 normally closed (NC) snap-action contacts.
Is it suitable for harsh environments?
Yes, with IP67 / IP69K protection, it is suitable for dusty, wet and washdown environments.
Is it suitable for safety applications?
Yes, the positive opening contacts make it suitable for safety circuits and machine protection systems.
Trusted by Industrial Engineers Worldwide
Pizzato NA series limit switches are widely trusted for their durability, modular design and reliable safety performance in industrial automation environments.
